Lenovo ThinkPad P15 NM-D491 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad P15 |
| Board number | NM-D491 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 12 MB |
| Added | December 13, 2023 |
| Updated | |
| Original file name | LENOVO ThinkPad P15 Gen 2 - NM-D491 BIOS READ.rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
LENOVO ThinkPad P15 Gen 2 - NM-D491 BIOS READ BIOS dump for the Lenovo ThinkPad P15 laptop, board number NM-D491 from Compal, delivered as a 12.1 MB RAR archive. The original file name identifies it as a Gen 2 read. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision on your motherboard match the file, and back up the original chip contents so you can recover if something goes wrong.
The catalog also lists 4 boardview files and 2 BIOS dumps for board NM-D491.
Description generated from the catalog data. ·
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Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Lenovo ThinkPad P15 NM-D491. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.